Issue 09 was released on 15 March 2019. Enjoy the articles online or scroll down to view the magazine as a PDF.
Features
When Truchet met Chladni
Stephen Muirhead meets neither, as he explores waves, tiles and percolation theory
Playing billiards with cue-bics
Yuliya Nesterova misses all the pockets, but does manage to solve some cubics
Hiding in plain sight
Axel Kerbec gets locked out while exchanging keys
In conversation with Matt Parker
Interviewing Matt was a mistake
Oπnions: Can a horse have an Erdős number?
Lucy Rycroft-Smith reflects on the use of this well-established measurement
On the cover: Harriss spiral
Find out more about the spiral trees on the cover of Issue 09
Bells, braids and taxicabs
An adventure that starts with a morning of bell ringing and ends with a mad dash in a taxi
The phantom parabola
Zoe Griffiths investigates paranormal quadratics
Counting caterpillars
Peter Rowlett uses combinatorics to generate caterpillars
Striking the right chord
How big are these random shapes? Submit an answer for a chance to win a prize!
Fun
Prize crossnumber, Issue 09
Win £100 of Maths Gear goodies by solving our famously fiendish crossnumber
Dear Dirichlet, Issue 09
Coffee, Brexit and badgers are among the topics of discussion in this issue's Dear Dirichlet advice column
Horoscope, Issue 09
Mystic mug has some predictions for you...
Top Ten: Chalkdust regulars
The definitive chart of the best Chalkdust regulars
Academic webpage checklist
Your guide to creating the optimal homepage
What’s hot and what’s not, Issue 09
Fashion is fleeting, Chalkdust regulars are not.
Which symbol are you?
Are you u or i? Am I? Who?Top ten vote issue 09
Vote for your favourite Chalkdust issue
Page 3 model: Game of Thrones
Using graph theory to predict who will sit the iron throne
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